Birdbath basin



FIG. 1 is a top plan view of a birdbath basin showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross sectional view taken on the line 4--4 of FIG. 1;

FIG. 5 is a top plan view of a modified form of the birdbath basin shown in FIG. 1;

FIG. 6 is a side elevational view of FIG. 5;

FIG. 7 is a bottom plan view of FIG. 5; and

FIG. 8 is a cross sectional view taken on the line 8--8 of FIG. 5. 

The ornamental design for a birdbath basin, substantially as shown. 